lead-free green ds30542 rev. 7 - 2 1 of 3 sdm20n40a www.diodes.com diodes incorporated sdm20n40a dual surface mount schottky barrier diode case: sot-23 case material: molded plastic. "green" molding compound. ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020c terminal connections: see diagram terminals: finish - matte tin annealed over alloy 42 leadframe. solderable per mil-std-202, method 208 marking & type code information: see last page ordering information: see last page weight: 0.008 grams (approx.) mechanical data a e j l top view m b c h g d d k features maximum ratings @ t a = 25 c unless otherwise specified notes: 1. mounted on fr4 pc board with recommended pad layout which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. short duration test pulse used to minimize self-heating effect. 3. no purposefully added lead. 4. diodes inc.'s "green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. electrical characteristics @ t a = 25 c unless otherwise specified low forward voltage drop common anode configuration lead free by design/rohs compliant (note 3) "green" device (note 4) characteristic symbol value unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 40 v rms reverse voltage v r(rms) 28 v forward continuous current, per element i fm 200 ma non-repetitive peak forward surge current @ t = 8.3ms i fsm 1 a junction temperature range t j -65 to +125 c storage temperature range t stg -65 to +150 c characteristic symbol min typ max unit test condition reverse breakdown voltage (note 2) v (br)r 40 v i r = 500 a forward voltage (note 2) v f 300 420 550 mv i f = 10ma i f = 100ma i f = 200ma leakage current (note 2) i r 15 3 a ma v r = 30v v r = 30v, t j = 100c total capacitance c t 23 50 pf v r = 0v, f = 1.0mhz new product top view sot-23 dim min max a 0.37 0.51 b 1.20 1.40 c 2.30 2.50 d 0.89 1.03 e 0.45 0.60 g 1.78 2.05 h 2.80 3.00 j 0.013 0.10 k 0.903 1.10 l 0.45 0.61 m 0.085 0.180 0 8 all dimensions in mm thermal characteristics @ t a = 25 c unless otherwise specified characteristic symbol value unit power dissipation (note 1) p d 200 mw thermal resistance, junction to ambient air (note 1) r ja 500 c/w
ds30542 rev. 7 - 2 2 of 3 sdm20n40a www.diodes.com 0.1 1.0 10 100 1000 i , instantane o us f o rward current (ma) f 0 v , instantaneous forward voltage (mv) fig. 1 typical forward characteristics f 100 200 300 400 500 600 700 t=125c a t=-65c a t=75c a t=25c a 010 20 30 40 50 i , instantane o us reverse current (ua) r v , instantaneous reverse voltage (v) fig. 2 typical reverse characteristics, per elemen t r 1000 100 10 1 0.1 10,000 0.001 0.01 t = -65oc a t = 25oc a t = 75oc a t = 125oc a 015 10 25 30 35 20 40 c , total capacitance (pf) t v , reverse voltage (v) fi g .3 t y pical total capacitance r 5 0 5 10 15 20 2 5 new product 0 50 100 150 200 25 050 75 100 125 150 p,p o wer dissipati o n (mw) d t , ambient temperature ( c) fig. 4 power derating curve a
ds30542 rev. 7 - 2 3 of 3 sdm20n40a www.diodes.com ordering information (note 5) device packaging shipping sdm20n40a-7 sot-23 3000/tape & reel notes: 5. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. marking information klp ym klp = product type marking code ym = date code marking y = year ex: p = 2003 m = month ex: 9 = september date code key month jan feb mar apr may jun jul aug sep oct nov dec code 1234567 89 o nd new product year 2003 2004 2005 2006 2007 2008 2009 code prs tu vw important notice life support diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes witho ut further notice to any product herein. diodes incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. the user of products in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on our website, harmless against all damages. diodes incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written appr oval of the president of diodes incorporated.
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